package com.example.mapper;

import com.example.pojo.Emp;
import org.apache.ibatis.annotations.*;
import org.springframework.web.bind.annotation.GetMapping;

import java.time.LocalDate;
import java.util.List;

/**
 * @author hyk~
 */
@Mapper
public interface EmpMapper {

    //查询总记录数
    //@Select("select count(*) from emp")
    //Long count();

    //分页查询 获取列表数据
    //@Select("select * from emp limit #{start},#{pageSize}")
    //List<Emp> page(Integer start,Integer pageSize);

    //员工信息查询
    List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);

    //批量删除员工
    void deleteByIds(List<Integer> ids);

    //根据部门id删除部门下的员工数据
    @Delete("delete from emp where dept_id = #{deptId}")
    void deleteByDeptId(Integer deptId);

    //新增员工
    @Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
            "values (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    //根据id查询员工
    @Select("select * from emp where id = #{id}")
    Emp selectById(Integer id);

    //修改员工数据
    void updateEmp(Emp emp);

    //登录
    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);
}
